REPAIR MAINTANANCE OF SOLAR WATER HEATERS AND WATER PURIFIERS AT VSN NAGPUR

Amount

Material and labour for dismantling of existing damaged FPC panel from solar water heater, fixing new FPC panel of size 2 mtr X 1 mtr including necessary electrical/ water connection complete all as specified and as directed. Note: The FPC panel will be measured & paid for seperately as supply only

Supply only new FPC panel.

Taking down damaged panel & supply, fixing ,testing & commissioning of toughen UV glass of size 1 mtr x 2 mtr or as per existing size of glass for collector complete all as specified and directed

Taking down unserviceable hot water tank capacity of 500 LPD and supply, install ,testing and commissioning of solar hot water tank 500 LPD capacity flat plate collector based on indirect transfer of heat tank duly insulated complete all as specified and as diected. Note: Thickness of tank should be as per existing size at site. Make : V-guard/ Farmson/ Solar Hitech

All as per item No 4 above but tank capacity of 300 LPD

Material and labour for fabrication of steel stand for holding the panels / water storage tank of capacity 500 LPD/ 300 LPD /200 LPD , solar water heater as required including taking down unserviceable steel stand complete all as specified and as diected.

Taking out blockages of GI pipe of 20 mm bore and cleaning the pipe including fitting complete all as specified and as directed. Note: The quoted rate shall deemed to be included cost for removing of GI pipe and checking for any blockage & refixing the same after cleaning including necessary fittings required at site.

All as per item No 7 above but GI pipe of 25 mm bore.

Supply and fixing GI tubing 'medium grade' , ISI Marked conforming to IS 1239 Part-I 2004, 20 mm bore with and including all fittings such as bends ,elbows ,tees,short length ,socket, union,check nuts,nipples etc. fixed and laid in/ floor/ under culvert/ road crossing etc including testing and taking down old unserviceable pipe complete all as specified and as directed.

All as per item No 9 above but GI pipe of 25 mm bore.

Taking down unserviceable pipe & supply and fixing K-Tech pipe of 15 mm bore for hot water including all fittings complete all as specified and as directed.

All as per item No 11 above but 20 mm bore pipe.

Material and labour for descaling of collector using Fernox DS-3 cleaner chemical or OEM recommended to clear the deposits of temporary hardness inside of collector tubes/ flat plate collectors including brazing of leaking joint as required at site complete all as directed and specified Note : The cost for descaling of collector using Fernox DS-3 cleaner chemical circulation through pressure pump shall deemed to be included in quoted rate.

Material and labour for descaling of collector using Fernox DS-3 cleaner chemical or OEM recommended to clear the deposits of temporary hardness inside of collector tubes/ flat plate collectors including brazing of leaking joint as required at site of 22 P & S complete all as directed and specified Note : The cost for descaling of collector using Fernox DS-3 cleaner chemical circulation through pressure pump shall deemed to be included in quoted rate.

Taking down unserviceable & supply, fixing , testing & commissioning of insulation for hot/cold water pipe 20/25 mm bore pipe complete all as speecified and directed

Material and labour for descaling of heat exchanger inside of hot water tank of capacity 500LPD, including testing complete all as specified and directed.

Material and labour for gas welding of leaking joint in the flat panel collector and solar tanks complete all as specified and directed.

Supply and fixing in repairs gun metal gate valve for 20mm bore pipe, with iron wheel head, screwed both ends for iron pipe and fixed, ISI marked conforming to IS 778: 1984 complete all as specified and directed.

All as per item No 18 above but for 25 mm bore

Taking down unserviceable & supply and fixing brass metal NRV ISI mark of size 20 mm bore complete with nuts, bolts, rubber gaskets etc including,testing all as specified.

Taking down unserviceable & Supply and fix bib tap fancy type , cast copper alloy chromium coated , screwed down , screwed for iron pipe or for brass ferrule and fixed size 15 mm bore dia of pipe complete all as directed

Material and labour for PCC 1:3:6 with 20 mm graded stone aggregate for making foundation for placing of rotational moulded polyethylene water storage tanks of capacity 500 Ltrs all as specified and directed.

Taking out of defective evacuated glass tube from tube collector panel based on direct transforming heat of capacity 200 LPD and supply and install new evacuated glass tube in to the direct transfer heat solar panel all as directed

Taking down unserviceable & supply and fixing solar hot water hose pipe 1" (25.4) mm dia ( 2 Mtr each) conforming to IS :444 type 2 (WP) suitable for water pressure 3kg/cm2 including suitable size of clamps all as specified and as directed

Material & labour for removing damaged flat plate collector for repair from solar water heater after dismantling monkey guard carryout necessary repair ,refixing the same and fixing the monkey guard in original position after repair if any complete all as specified and directed

Repair/ replacement of heating element of capacity 5 KW, 230 V supply, with thermostat suitable for glass tube collector type solar water heater. Make : V-guard/ Farmson/ Solar Hitech

All as per item No 26 above but of capacity 3 KW, 230 V.

Material and labour submain wiring single phase using 2 run of size 2.5 sqmm and 1 run of PVC insulated PVC insulated and unsheathed multistranded FRLS copper conductor cable as earth wire using approved colour code as per IS drawing in and incl PVC conduit medium grade with all accessories and making good disturbed surfaces of wall, floor or ceiling with plaster and finishing the surfaces with distemper/white washing/colour washing to match with the existing surface complete all as specified and directed. Note :- 2 runs of 2.5 sqmm copper cable & 1 run of 2.5 sqmm copper cable in and including PVC conduit 20 mm dia heavy duty shall be measured as one unit.

Material and labour for fabrication of staging for fixing of tank on roof for solar water heater , fabricated with mild steel angle, flat etc including nuts, bolts, washers, welding, drilling holes for bolts, painting overall with two coat synthetic enamel paint over one coat of primer and taking down / dismantling of old staging complete all as specified & directed.

Comprehensive maintenance for water purifier of any make / model including replacement of defective spare parts all as directed by the Enginer-in-charge and making the units functional as per requirement and emergency maintanance. Note: Spare parts will be measured and paid separately

Supply only PCB suitable for any make/model of water purifier. Make: Aquaguard/ Kent/ Livpure

Supply only filter multilayer candle suitable for any make /model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only sedimentiation filter suitable for any make /model of water purifier. Make: Aquaguard/Kent/Livpure

Supply and fixing PP10 inch RO filter plant suitable for aquaguard alongwith taking down old unserviceable transformer all as specified and as directed. Make: Aquaguard/Kent/Livpure

Supply only carbon filter suitable for any make /model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only low/ high pressure switch (LPC/HPC) suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only UV choke suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only float valve sensor suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only UV barral suitable for any make /model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only UF membrane suitable for any make /model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only copper filter suitable for any make /model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only alkaline filter suitable for any make /model of water purifier. Make: Aquaguard/ Kent/ Livpure

Supply only UF filter suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only NRV filter suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only (F/IR) far infrared filter suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only elbow suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only taflon tape suitable for any make /model of water purifier. Make:- Aquaguard/Kent/Livpure

Supply only PVC pipe 3/8 suitable for any make /model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only solonoid valve (SV) suitable for any make / model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only ultra voilet lamp (UV) suitable for any make / model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only nozzle and nipple with connector suitable for any make / model of water purifier. Make: Aquaguard/Kent/Livpure

Supply only inlet /outlet pipe 15 mm suitable for any make model of water purifier of existing system all as specified and directed. Make: Aquaguard/Kent/Livpure

Supply only filter bowl including clamps suitable for any make / model of water purifier existing system all as specified and directed Make: Aquaguard/Kent/Livpure

Supply and fixing booster pump including taking down old unserviceable booster pump all as specified and as directed. Make: Aquaguard/Kent/Livpure

Supply and fixing transformer suitable for aquaguard alongwith taking down old unserviceable transformer all as specified and as directed.

Supply and fixing membrane RO filter suitable for aquaguard alongwith taking down old unserviceable membrane all as specified and as directed.

Supply and fixing membrane 40 x 40 RO filter plant alongwith taking down old unserviceable membrane all as specified and as directed

Supply and fixing of carbon filter 20 x 20 RO filter plant alongwith taking down old unserviceable carbon filter all as specified and as directed.

Supply and fixing PP filter 20 x 20 RO filter plant alongwith taking down old unserviceable PP filter all as specified and as directed.

Supply and fixing control panel for RO plant alongwith taking down old unserviceable control panel all as specified and as directed.

Material and labour for painting entire RO plant after scraping with same existing colour as per site at officer mess and SNCOs mess complete all as specified and as directed.

Material and labour for repair and servicing of pump set (high pressure pump and low pressure pump) in RO plant at officers's mess and SNCOs mess complete all as specified and as directed.

Material and labour for repair and servicing of raw water pump set in RO plant at officer mess and SNCOs Mess all as specified and as directed.

Testing of potable water sample collected from Vayusena Nagar, Nagpur and test report submitted from NABL acredited lab for parameters as per BIS - 10500 : 2012 for drinking water complete all as directed.

Supply and make liquid form of calcium based Granular Chlorination Chemical (60-70%) Chlorine Granuals of Size 2-4, mesh appearance : White Granuals, effective chlorine : 60-70% and pour into chlorination plan in fine form at officers's mess and old pump house. Make: Grasim/ Birla/ Aquafit purichlor by sree royal seeman , Purichlor

Dua Construction

THE DECAN ENGINEERING AND REFRIGERATION COMPANY